Big-time players are getting serious about asteroid perils and profits[ Wed, 17 Apr 2013 13:28:35 GMT ]Experts on near-Earth objects wondered whether February's meteor blast over Russia would serve as a wakeup call about asteroids — and two months later, there's ample evidence that it has. But there are two sides to that wakeup call, having to do with potential opportunities as well as potential threats.Nothing illustrates that better than this week's developments: In Flagstaff, Ariz., researchers ...